<template>
  <div>
    <table border="1" width="700" style="border-collapse: collapse">
      <caption>
        购物车
      </caption>
      <thead>
        <tr>
          <th><input type="checkbox" /> <span>全选</span></th>
          <th>名称</th>
          <th>价格</th>
          <th>数量</th>
          <th>总价</th>
          <th>操作</th>
        </tr>
        <tdList
          v-for="(item, index) in goodList"
          :key="index"
          :name="item.name"
          :price="item.price"
          :num="item.num"
          @add="addFn(index)"
          @dec="downFn(index)"
          @delFn="DelFn(index)"
          :counts="item.price * item.num"
          :checked="item.checked"
        ></tdList>
      </thead>
      <tbody></tbody>
      <tfoot>
        <trSum></trSum>>
      </tfoot>
    </table>
  </div>
</template>

<script>
import trSum from '../components/tr-sum.vue'
import tdList from '../components/shop.vue'
export default {
  components: {
    tdList,
  },
  data() {
    return {
      goodList: [
        {
          name: '诸葛亮',
          price: 1000,
          num: 1,
          checked: false,
        },
        {
          name: '蔡文姬',
          price: 1500,
          num: 1,
          checked: false,
        },
        {
          name: '妲己',
          price: 2000,
          num: 1,
          checked: false,
        },
        {
          name: '鲁班',
          price: 2200,
          num: 1,
          checked: false,
        },
      ],
    }
  },
  methods: {
    addFn(index) {
      console.log(index)
      this.goodList[index].num++
    },
    downFn(index) {
      this.goodList[index].num--
    },
    DelFn(index) {
      this.goodList.splice(index, 1)
    },
  },
}
</script>

<style></style>
